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Vikentia [17]
3 years ago
8

Influenza is capable of genetic reassortment in which genetic components from two influenza strains reassort between themselves.

Which animal strains of influenza prove especially virulent when reassorted with human strains?A. dogs and catsB. ducks and swineC. cows and sheepD. goats and horses
Biology
1 answer:
tester [92]3 years ago
6 0

Answer:

The correct answer is - option B. ducks and swine.

Explanation:

Influenza virus is capable of the genetic reassortment. This reassortment involves the reassortment of genetic parts in between two influenza strain. This takes place due to the ability of influenza virus to alter or modify the structure of Hemagglutinin (HA) and neuraminidase.

Some other characters also helps them to develop different strains for different host such as mutation, antigenic drift and many other conditions. Influenza virus subtype A are belongs to the avian host so they affect the birds such as duck, swan, gesse. Other than avian variants there is another strain that affect pigs known as swan variants. These strains are virulent if reassorted with human strains.

Thus, the correct answer is - option B.

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The relationship that exists when an organism lives in or on another organism and feeds off that organism is called __________.
drek231 [11]

Answer: It is called Parasitism.

Explanation:

Parasitism is symbiotic relationship where an organisms lives in or on it's host thereby feeding and causing harm on it host. Examples of such relationship is parasites like roundworm, ticks, fleas that feed on humans and cause harm.

7 0
3 years ago
how many more atoms does ethylene have than carbon monoxide? list the type and number of each atoms PLEASE HELP ME
Valentin [98]
Carbon Monoxide has 2 atoms total - one atom of carbon (C) and one atom of oxygen (O) chemical formula is CO

Ethylene has 6 atoms total, 2 atoms of carbon (C) and 4 atoms of hydrogen (H), chemical formula is C2H4.

Ethylene has four more atoms than carbon monoxide (6-2) = 4
8 0
3 years ago
A hypothesis that is non-falsifiable is ___________.
alexdok [17]

Answer:

Si no es posible refutarla, dicha teoría queda «corroborada», pudiendo ser aceptada provisionalmente, pero no verificada; es decir, ninguna teoría es absolutamente verdadera, sino a lo sumo «no refutada».

Explanation:

Si no es posible refutarla, dicha teoría queda «corroborada», pudiendo ser aceptada provisionalmente, pero no verificada; es decir, ninguna teoría es absolutamente verdadera, sino a lo sumo «no refutada».

4 0
3 years ago
List some things you can do to eliminate deforestation (cutting down forests)​
Alex

Answer:

1.Plant a tree.

2.Use less paper.

3.Recycle paper and cardboard.

4.Use recycled products.

5.Buy only sustainable wood products.

6.Don't buy products containing palm oil.

7.Reduce meat consumption.

8.Do not burn firewood excessively.

Explanation:

Hope this helps :)

7 0
3 years ago
Where does DNA transcription take place?
Tema [17]

Answer:

Th nucleus

Explanation:

3 0
3 years ago
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